The Egyptian Prime Minister says: "We cannot allow the tragedy I have seen in Gaza to continue. "We have to stop the aggression."
He is now due to visit the family of slain Hamas military leader Ahmed al Jabari.
Today's bombing in Tel Aviv is reminiscent of six years ago and could mark a serious escalation in the conflict.
A truce in Gaza suits all sides but none of the groups seem interested in a long-lasting solution.
A complex system of air defences has been instrumental in protecting Israel's population from incoming rockets.